UW News
Marco Rolandi
August 26, 2013
Microneedle patch could replace standard tuberculosis skin test
![A chitin microneedle patch tested on human skin.](https://uw-s3-cdn.s3.us-west-2.amazonaws.com/wp-content/uploads/sites/6/2013/08/04192503/TB_microneedles-tile-150x150.jpg)
A team led by University of Washington engineers has created a patch with tiny, biodegradable needles that can penetrate the skin and precisely deliver a tuberculosis test. The researchers published their results online Aug. 26 in the journal Advanced Healthcare Materials.